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Nancy Combs
Physics
When would you use a compound microscope?
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Athena Hill
Physics
What does a Battery and a human have in common?
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Mohammed Mayer
Physics
Why is it better to search new a cliff for a fossil then near a volcano?
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Guest
Physics
Given the reaction at equilibrium 2NO2 (g) = N2O4 (g) + 55.3kj if the pressure on the system is increased anda the tenperature is held constant:equilibrium will:
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Chelsea Valentine
Physics
All of the fallowing are possible sources of error in a scientific investigation exept for
a. measuring the materials of an experiment incorrectly.
b. not controlling all the variables in an experiment
c. adding research resources during an investigation
d. discovering new variables as the experiment proceeds
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Janelle Pope
Physics
While exploring a castle, Exena the Exterminator is spotted by a dragon who chases her down a hallway. Exena runs into a room and attempts to swing the heavy door shut before the dragon gets her. The door is initially perpendicular to the wall, so it must be turned through 90∘ to close. The door has a height of 3.00 m and a width of 1.40 m, and its weight is 790 N. You can ignore the friction at the hinges. If Exena applies a force of220 N at the edge of the door and perpendicular to it, how muchtime does it take her to close the door?
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Bonnie
Physics
The stabilizing effect of alkyl substituents on carbocations can be explained through
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Delaney Mendez
Physics
A torsion pendulum is made from a disk of mass m = 7.1 kg and radius r = 0.71 m. a force of f = 42.4 n exerted on the edge of the disk rotates the disk 1/4 of a revolution from equilibrium.
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Kipper
Physics
If a tennis racket strikes a ball (m = 60.0 g; v = 65.0 m/s) for a period of what force does the tennis racket apply to the ball? What is the impulse of this interaction?
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Belinda Rosales
Physics
Why does a metal spoon left on a bowl of hot soup become warm?
A) Metal is a conductor.
B) Metal is an insulator.
C) Metal produces its own heat.
D) Metal heats up from magnetism.
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Proctor
Physics
What does the heat shock step of the transformation procedure accomplish?
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Abram Knapp
Physics
An olympic hurdler accelerates at a rate of 15.5 m/s2. what is the rate in miles/min2?
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Kaiya Gomez
Physics
What is the conservation of energy?
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Sullivan Hurley
Physics
What data are needed to calculate the actual mechanical advantage of a machine
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Anabel Thompson
Physics
What antenna length should be used to create a dipole antenna that emits 100-mhz electromagnetic waves, a frequency typical of fm radio broadcasts?
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